Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter61: Areas Of Circles, Sectors, And Segments
Section: Chapter Questions
Problem 2A: Find the area of the shaded portion of this figure. Round your answer to 2 decimal places.
Related questions
Question
Given A(6,3) has been dilated about the origin to A'(30,15). What scale factor was used?
Expert Solution
Step 1
Dilation factor = OA'/OA
OA =(6^2+3^2)^0.5
OA'=(30^2+15^2)^0.5
=5(6^2+3^2)^0.5
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